Janice Tjen vs Mirra Andreeva

The market has already made up its mind on Janice Tjen v Mirra Andreeva in the WTA Tour (Tue, 18 Aug, 10:00 pm): stripping bookmaker margin out of 2 price feeds gives Mirra Andreeva 78% against 22% for Janice Tjen.

Fair odds on Mirra Andreeva sit at 1.28; the best available price is 1.20 at Unibet; Janice Tjen pays up to 4.30 at Unibet. Average margin on this match is 6.9% — anything above fair value is worth taking, anything below it is paying the bookmaker's spread.